Husqvarna 545 Mark II Workshop Manual page 60

8.18.7 To examine the piston rings
1. Examine the piston rings for damage.
2. Replace damaged piston rings.
8.18.8 To assemble the cylinder and piston
1. Attach the flange to the inlet pipe. Attach the inlet
pipe to the cylinder. Tighten the screws to the
correct torque. Refer to
2. Lubricate the needle bearing (A) and put it into the
connecting rod. Make sure the bearing moves freely
in the connecting rod.
3. Attach the piston. The arrow at the piston top must
be turned to the exhaust port. Push in the piston pin
(C) and attach the G circlip (B).
Note: Always use a new G circlip.
4. Lubricate the piston and piston ring (D).
5. Carefully attach the piston ring (D) on the piston.
Make sure that you do not cause damage to the
piston ring or the piston.
60 - Repair instructions
Servicing data on page 9 .
D
C
B
6. Put a new cylinder base gasket (E) on the
crankcase.
Note: Make sure that the gasket has not been used
and does not have signs of damage or wear.
7. Attach the support plate (F) from the piston
assembly kit.
8. Use a clamp (G) from the piston assembly kit to
compress the piston ring and carefully push the
piston into the cylinder opening. Make sure that the
four sleeves (H) are in the correct position and
attach the cylinder (J) to the crankcase. Tighten the
screw (K). Tighten the screw (L). Tighten the screw
(M). Tighten the screw (N). Refer to
on page 9 for the correct torque.
M
J
G
Note: When you operate the product, the torque of
the screws (K), (L), (M) and (N) decreases.
9. Assemble the remaining parts in the opposite
sequence to how they were disassembled.
A
K
H
N
L
F
E
722 - 003 - 26.03.2019
Servicing data
G F